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Figure 2.12 – Air Inlet Using Ductwork
Figure 2.13 – Air Inlet in Vehicle Skirt
MINIMUM
CLEARANCE
1-1/2"
VEHICLE FLOOR
VEHICLE
SKIRT
AIR
INLET
2.3.3 COMPENSATING FOR RESTRICTIONS
Such materials as screening, louvers or expanded
metal can restrict the free flow of air. Compensate
for this restriction by making the actual air opening
proportionately larger.
Some materials may offer only a 60 percent “free air
inlet area.” Other more efficient materials may pro-
vide up to a 90 percent free air inlet area. The per-
centage of free air inlet opening is usually available
from the material supplier or manufacturer.
To determine the actual air inlet opening size
required, divide 100 square inches by the per-
centage of free air inlet area for the material being
used.
For example: If planning to use screening with an 80
percent free air inlet area, divide 100 by 0.8, which
results in 125 square inches. Minimum actual size of
air inlet opening in this case is 125 square inches.
2.3.4 TESTING THE INSTALLATION
The manufacturer recommends testing the installa-
tion to be sure adequate cooling airflow is available to
the unit before placing the unit into service. If the unit
shows signs of overheating, enlarge the air openings.
Never place a unit into service until absolutely certain
that cooling and ventilation is adequate.
NOTE:
The installation must be tested, especially if air is
brought in from below the generator set.
2.4 GASOLINE FUEL SYSTEM
The installation of a gasoline fuel system (Figure
2.14) for a recreational vehicle generator set must
comply with applicable codes, standards and regula-
tions. The entire fuel system must be completely free
of leaks. There must be no possibility of gasoline
vapors entering the vehicle interior.
Figure 2.14 – Generator Fuel System
PRIMEPACT
RV Service Locator 1-800-333-1322 • www.guardiangenerators.com
•
Maintenance Schedule
Check engine oil level
Change oil
Change oil filter
Clean & re-oil foam pre cleaner
Clean air intake
Clean & reset spark plugs
Replace fuel filter
Inspect battery posts & cables
“Exercise” generator
Every 8 hours
or before use
Every 25 hours
or 3 months
Every 100 hours
or once a year
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FUEL LINE
FUEL FILTERFUEL PUMP
DANGER
Gasoline is highly flammable, and its vapors are
explosive. Comply with all codes, standards and
regulations pertaining to gasoline fuel systems
used in recreational vehicle generators. Properly
install and maintain the fuel system and keep it
entirely free of leaks. Gasoline vapors must not
enter the vehicle interior.
Factory installed generator fuel system components
include (a) fuel filter, (b) 12-volt DC electric pump,
(c) engine carburetor, and (d) interconnecting lines
and fittings. Connect a fuel supply line to the fuel
filter inlet. Use a flexible length of approved fuel hose
between the fuel filter inlet connection and rigid fuel
lines.
Section 2 – Installation
Recreational Vehicle Generator